Photographic light diffuser



FIG. 1 is a perspective view of a photographic light diffuser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a photographic light diffuser, as shown and described. 